3) arable area
可耕地区
5) paddy rice land
稻区耕地
1.
In this paper,we discuss soil nutrients change status of paddy rice land in Jidong coastal area since 1980,to analyse the reasons and put forward a modified way.
本文论述了自1980年调查以来冀东滨海稻区耕地土壤养分的变化状况,分析了土壤养分含量变化的原因,提出了改良途径。
6) land scarcity
土地稀缺性
1.
The paper aims to examine affects and causes of land scarcity in process of urbanization and try to explore appropriate government regulations in response to challenges brought by land scarcity.
研究目的:分析城市化进程中土地稀缺性的表现形式和形成原因,探讨政府管制工具。
补充资料：稀缺
1.稀少﹐短缺。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条